Cognomen Reiniger (Reiniger 
, רייניגר 
) , all over the world, is quite a rare last name. The cognomen Reiniger is habitual in Western Europe, particularly Germany, where it is quite a rare surname, Luxembourg, and Switzerland, where it is a rare surname. Measured by absolute frequency, the name is most common in Germany, the United States, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Reiniger | Canada, Germany, United States, Switzerland, Czechia |
| רייניגר | Israel |
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emil reiniger German physician and poet, DE (b. 1792) |
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otto reiniger German painter (1863-1909), DE (b. 1863) |
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| gustav reiniger German politician and entrepreneur (1835-1903), DE (b. 1835) |
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lotte reiniger German silhouette animator and film director (1899–1981), DE (b. 1899) |
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| ernst otto reiniger DE (b. 1841) |
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| erwin moritz reiniger German mechanic, DE (b. 1854) |
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| heinrich reiniger Czech member of Czech council and attorney (1860-1915), CZ (b. 1860) |
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| isidor reiniger holocaust victim, b. 1865-02-23, CZ (b. 1865) |
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| karl reiniger (b. 1863) |
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| josef reiniger holocaust victim, b. 1878-03-18, CZ (b. 1878) |
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| hugo reiniger (b. 1877) |
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| otto israel reiniger Holocaust victim, b. 1887-11-02, CZ (b. 1887) |
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| max reiniger DE (b. 1879) |
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| erich reiniger holocaust victim, b. 1892-03-06, CZ (b. 1892) |
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| leo reiniger holocaust victim, b. 1894-10-27, CZ (b. 1894) |
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